Home / 726,434.64-1,002,493.80-424,803.60

Finding the Fourth Proportional to 726,434.64, 1,002,493.80 and 424,803.60

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Solution

The fourth proportional to 726,434.64, 1,002,493.80 and 424,803.60 is: 586,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,434.64 : 1,002,493.80 = 424,803.60 : x
  2. Step 2: Convert to fraction form
    726,434.64/1,002,493.80 = 424,803.60/x
  3. Step 3: Cross multiply
    726,434.64x = 1,002,493.80 × 424,803.60
  4. Step 4: Simplify right side
    726,434.64x = 425,862,975,217.68
  5. Step 5: Solve for x
    x = 425,862,975,217.68/726,434.64
  6. Step 6: Final answer
    x = 586,237.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.